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CUET · CHEMISTRY · PYQ PAPER 2023

The values of van't Hoff factors for \(\text{CaCl}_2\), \(\text{Na}_2\text{SO}_4\) and \(\text{KCl}\) respectively are:

  1. A 2, 3, 2
  2. B 3, 3, 2
  3. C 2, 3, 3
  4. D 2, 2, 2
Verified Solution

Answer & Solution

Correct Answer

(B) 3, 3, 2

Step-by-step Solution

Detailed explanation

\(\text{CaCl}_2 \rightarrow \text{Ca}^{2+} + 2\text{Cl}^-\). \(i = 1+2=3\) \(\text{Na}_2\text{SO}_4 \rightarrow 2\text{Na}^+ + \text{SO}_4^{2-}\). \(i = 2+1=3\) \(\text{KCl} \rightarrow \text{K}^+ + \text{Cl}^-\). \(i = 1+1=2\)
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